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33989

Features: •VDD1: Low Drop Voltage Regulator, Current Limitation, Overtemperature Detection, Monitoring, and Reset Function•VDD1: Total Current Capability 200 mA•V2: Tracking Function of VDD1 Regulator. Control Circuitry for External Bipolar Ballast Transistor for High Flexibility...

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SeekIC No. : 004228617 Detail

33989: Features: •VDD1: Low Drop Voltage Regulator, Current Limitation, Overtemperature Detection, Monitoring, and Reset Function•VDD1: Total Current Capability 200 mA•V2: Tracking Functi...

33989 Data Sheet

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Part Number:
33989
Supply Ability:
5000

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Product Details

Description



Features:

•VDD1: Low Drop Voltage Regulator, Current Limitation, Overtemperature Detection, Monitoring, and Reset Function
•VDD1: Total Current Capability 200 mA
•V2: Tracking Function of VDD1 Regulator. Control Circuitry for External Bipolar Ballast Transistor for High Flexibility in Choice of Peripheral Voltage and Current Supply
•Low Stand-By Current Consumption in Stop and Sleep Modes
•High-Speed 1 MBaud CAN Physical Interface
•Four External High Voltage Wake-up Inputs Associated with HS1 VBAT Switch
•150 mA Output Current Capability for HS1 VBAT Switch Allowing Drive of External Switches Pull-Up Resistors or Relays
•VSUP Failure Detection
•40 V Maximum Transient Voltage
•Pb Free designated by suffix code EG


Pinout

Connection Diagram


Specifications

Ratings Symbol Value Unit
ELECTRICAL RATINGS
Power Supply Voltage at VSUP
Continuous (Steady-State)
Transient Voltage (Load Dump)		 VSUP
VSUP		 -0.3 to 27
-0.3 to 40		 V
Logic Signals (RX, TX, MOSI, MISO, CS, SCLK,RST, WD, and INT) VLOG -0.3 to VDD1 + 0.3 V
Output Current VDD1 I Internally Limited A
HS1
Voltage
Output Current		 V
I		 -0.3 to VSUP + 0.3
Internally Limited		 V
A
ESD Voltage, Human Body Model (1)
HS1, L0, L1, L2, L3
All Other Pins		 VESDH - 4.0 to 4.0
-2.0 to 2.0		 kV
ESD Voltage Machine Model
All Pins Except CANH and CANL		 VESDM ±200 V
L0, L1, L2, L3
DC Input Voltage
DC Input Current
Transient Input Voltage with External Component (2)		 VWUDC -0.3 to 40
-2.0 to 2.0
-100 to 100		 V
mA
V
CANL and CANH Continuous Voltage VCANH/L -27 to 40 V
CANL and CANH Continuous Current ICANH/L 200 mA
CANH and CANL Transient Voltage (Load Dump) (4) VTRH/L 40 V
CANH and CANL Transient Voltage (5) VTRH/L -40 to 40 V
Logic Inputs (TX and RX) V -0.5 to 6.0 V
ESD Voltage (HBM 100 pF, 1.5 k) CANL, CANH VESDCH -4.0 to 4.0 KV
ESD Voltage Machine Model
CANH and CANL		 VESDCM -200 to 200 V
Notes
1.ESD1 testing is performed in accordance with the Human Body Model (CZAP=100 pF, 1.5 k), the Machine Model (MM) (CZAP = 200 pF, RZAP = 0 ), and the Charge Device Model (CDM), Robotic (CZAP = 4.0pF).
2.According to ISO 7637 specification. See Table 6, page 24.
3.Load Dump test according to ISO 7637 part 1.
4.Transient test according to ISO 7637 part 1, pulses 1, 2, 3a, and 3b according to schematic in Table 17, page 35.


Description

The 33989 is a monolithic integrated circuit combining many functions used by microcontrollers (MCU) found in  utomotive Engine Control Units (ECUs). The device incorporates functions such as: two voltage regulators, four high  oltage (wake up) inputs, a 1Mbaud capable CAN physical interface, an SPI interface to the MCU and VSUP monitoring nd fault detection circuitry. The 33989 also provides reset control in conjunction with VSUP monitoring and the  atchdog timer features. Also, an Interrupt can be generated, for the MCU, based on CAN bus activity as well as  ode changes.




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